diff --git a/CHANGELOG.md b/CHANGELOG.md
index 338a2fd9..86a48480 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.38.1
+
+* Fixing `SparseQueueSet` deopt.
+
 ## 0.38.0
 
 * Adding `TrieMap.update` (@wholenews).
diff --git a/package-lock.json b/package-lock.json
index 63ba5948..9abeb6da 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "mnemonist",
-  "version": "0.38.0",
+  "version": "0.38.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index b86df1a4..c5840241 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mnemonist",
-  "version": "0.38.0",
+  "version": "0.38.1",
   "description": "Curated collection of data structures for the JavaScript language.",
   "scripts": {
     "lint": "eslint ./*.js ./utils ./test",